diff options
| -rw-r--r-- | sys/vm/vm_object.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/vm/vm_object.c b/sys/vm/vm_object.c index e5f26cb..60ede1d 100644 --- a/sys/vm/vm_object.c +++ b/sys/vm/vm_object.c @@ -1693,7 +1693,9 @@ vm_object_collapse(vm_object_t object) * If we do not entirely shadow the backing object, * there is nothing we can do so we give up. */ - if (vm_object_backing_scan(object, OBSC_TEST_ALL_SHADOWED) == 0) { + if (object->resident_page_count != object->size && + vm_object_backing_scan(object, + OBSC_TEST_ALL_SHADOWED) == 0) { VM_OBJECT_UNLOCK(backing_object); break; } |
